EasyJet is to launch new flights between Luton and Dubrovnik for the summer and from Gatwick to Tivat in Montenegro.
The service to Dubrovnik, which starts on May 24, will operate twice a week.
The airline said it expected to carry 21,000 passengers a year between Luton and Dubrovnik.
EasyJet now has 52 destinations from Luton for this summer.
Flights to Tivat start on June 16 and will also operate twice weekly.
EasyJet said it expects to carry 19,000 between Gatwick and Montenegro. It starts flights to Tivat from Manchester later this month.
